The following are types of chemical bonds. Answer the questions below by matching
the descriptions with the most appropriate bond type.
a. hydrogen
b. ionic
c. covalent
d. polar covalent
e. double bond
the bond type holding several molecules of water together
Which of the following statements is FALSE about cowbirds?
a. Their host relationship is similar to cuckoos.
b. They are insect-eaters.
c. Females can lay thirty eggs in a season.
d. Cowbird hatchlings are recognized as imposters by host parents.
e. They now parasitize at least fifteen species of native North American birds.
The following phrases refer to the eukaryotic cell cycle. Select the single BEST choice
for each phrase.
a. G2
b. mitosis
c. S
d. G1
e. cytokinesis
Period after DNA is duplicated
How many trees have been planted in Africa by Wangari Maathai’s organization over
the first 30 years?
a. 1 000 000
b. 4 000 000
c. 10 000 000
d. 20 000 000
e. 40 000 000
Which of the following is not a negative impact of surface mining?
a. Loss of vegetation.
b. Contamination of waterways.
c. Dust pollution of the air.
d. Loss of soil.
e. All of these are negative impacts of surface mining.
The first response in adaptive immunity is
a. the production of white blood cells.
b. the production of complement.
c. the production of interferon.
d. inflammation.
e. wound healing.
Organisms that demonstrate type I survivorship are characterized by
a. high r, small offspring.
b. low r, small offspring.
c. low r, large offspring.
d. high r, large offspring.
e. low r, large population size.
The various energy levels in an atom of magnesium ( ) have different numbers of
electrons. Use the numbers below to answer the following questions.
a. 1
b. 2
c. 3
d. 6
e. 8
number of electrons in the third energy level
Respond to the following statements in reference to the five items listed below.
a. antigens
b. antibodies
c. helper T cells
d. cytotoxic T cells
e. effector B cells
These produce immunoglobulins in response to the reinvasion by a virus.
Immediately after a meal, the concentration of glucose in the blood tends to increase
due specifically to what digestive system task?
a. mechanical processing
b. secretion
c. digestion
d. absorption
e. elimination
The organism shown above is using which of the following types of reproduction?
a. asexual budding
b. sexual production of eggs
c. hermaphroditic co-fertilization
d. a combination of all three
e. none of these
Which is NOT an element?
a. water
b. oxygen
c. carbon
d. chlorine
e. hydrogen
Which of the following yields carbon dioxide during the breakdown of glucose in
aerobic respiration?
a. phosphoglycerate
b. pyruvate
c. oxaloacetate
d. PGAL
e. fructose bisphosphate
The geologic time scale is subdivided on the basis of
a. the appearance of different radioactive isotopes in different strata.
b. levels of background extinction.
c. periods of mass extinction.
d. the appearance of different radioactive isotopes in different strata and levels of
background extinction.
e. the appearance of different radioactive isotopes in different strata, levels of
background extinction, and periods of mass extinction.
Which of the following diffuses in greater amounts from the fetal blood to the mother’s
blood?
a. oxygen
b. urea
c. hormones
d. antibodies
e. nutrients
In the image above, the substance indicated as “A” is a(n)
a. inhibitor.
b. activator.
c. substrate.
d. coenzyme.
e. cofactor.
In 2009, Nadya Suleman, gave birth to
a. pentuplets.
b. sextuplets.
c. octuplets.
d. the first human clone.
e. none of these.
Respond to the following statements in reference to the five stages of sperm
development listed below.
a. spermatogonium
b. secondary spermatocyte
c. primary spermatocyte
d. spermatid
e. sperm
The male sex cell is fully formed at this stage of development.
Semen components are produced by
a. the prostate gland.
b. the seminal vesicles.
c. the testes.
d. the urinary bladder.
e. all except “the urinary bladder.”
Which of the following implies movement with regard for direction?
a. taxis.
b. kinesis.
c. migration.
d. taxis and migration.
e. taxis, migration, and kinesis.
Air and water vapor cross the epidermis via
a. pits.
b. perforations.
c. osmosis.
d. stomata.
e. tracheids.
The sex chromosome composition of a person with Klinefelter syndrome is
a. XXX.
b. XO.
c. XXY.
d. XYY.
e. none of these.
Which of the following events occur(s) during the follicular phase of the menstrual
cycle?
a. An ovarian follicle enlarges.
b. A zona pellucida forms around the oocyte.
c. An oocyte completes meiosis I.
d. Estrogen levels increase.
e. All of these occur.
Match the following letters to the number with which they best correspond.
a. Observation
b. Question
c. Hypothesis
d. Prediction
e. Observational experiment
f. Laboratory experiment
g. Assessment
h. Report
Smoking cigarettes causes cancer.
A species consists of individuals that are characterized by all of the following EXCEPT
a. they are in one or more groups.
b. they produce fertile offspring.
c. they are reproductively isolated from other groups.
d. they are identical in appearance.
e. they interbreed.
Answer the following questions in reference to the four “habitat” items listed below.
a. habitat fragmentation
b. habitat island
c. habitat loss
d. habitat
This reduces a habitat’s area, making species more vulnerable to extinction.
The work of Reznick and Endler with guppies shows all of the following EXCEPT that
a. life history traits can be inherited.
b. life history traits evolve.
c. life history traits can be altered over a short period of time.
d. predation does not influence the modification of life history traits.
e. life history traits are coded for in DNA.
cervix
Choose the one most appropriate answer for each.
a. acts to trigger ovulation in females
b. structures that secrete mucus and nutrients absorbable by sperm; open into the
ejaculatory duct
c. forms as an outgrowth of the yolk sac; becomes part of umbilical cord and urinary
bladder
d. a drug that causes severely deformed arms and legs in developing embryos
e. two of these connect seminiferous tubules with vasa deferentia
f. opening between uterus and vagina
g. organ that supplies the embryo/fetus with nutrients and removes wastes
h. connects epididymis with ejaculatory duct
i. hormones that stimulate uterine contractions in the female
j. cap over the head of a sperm; contains lytic enzymes to penetrate egg membranes
k. inner cell mass plus trophoblast; attaches to uterine wall
l. testosterone produced here
m. sensitive to sexual stimulation; develops from same embryonic tissues as does the
penis in males
n. the uterine lining
o. acts on gonad to help mature gametes; released from anterior lobe of pituitary
Animals that are hermaphroditic usually
a. fertilize their own eggs.
b. cross-fertilize.
c. donate eggs to other individuals.
d. cannot reproduce sexually.
e. fit all of these descriptions.
Respond to the following statements with reference to the five terms below.
a. somites
b. blastomeres
c. ectoderm
d. mesoderm
e. endoderm
This is the first primary tissue layer to form.
According to the endosymbiont hypothesis, eukaryotic cells evolved after and as a
consequence of
a. the cyclic pathway of photosynthesis.
b. anaerobic respiration.
c. cell division.
d. mutual dependency.
e. chemosynthesis.
Bony fishes
Choose the one most appropriate letter for each.
a. cartilaginous skeleton; jaws
b. reptile with four-chambered heart
c. placental mammal
d. legless amphibian
e. invertebrate chordate; no metamorphosis
f. endotherm with feathers
g. limbless reptile
h. most primitive fishes with jaws; extinct
i. modern-day parasitic jawless vertebrate
j. marsupial
k. adult is called ‘sea squirt”
l. egg-laying mammal
m. swim bladder for buoyancy
n. may be sexually mature in larval form
The human has __________ sets of autosomal chromosomes.
In a __________, water or some nutrient moves from an environmental reservoir,
through organisms, then back to the environment.
Differential survival and reproduction of individuals of a population that vary in the
details of shared traits is called __________.
__________ species of many plants (and a few animals) originated by chromosome
doublings and hybridizations.
__________ refers to processes designed to induce immunity.
The ______ body is used to package and ship components to other organelles and out of
the cytoplasm.
An individual is exposed to a pathogen and takes five days to recover. When exposed a
year later they again take five days to recover. Would you suspect that adaptive
immunity was involved?
Labeling.
parathyroid glands
Mutations are the original source of new alleles, but many are __________ or
__________.
Gastrulation is controlled by signal-sending cells that cause movement of neighboring
cells and this is called __________.
A trip to space finds a planet rich with green light. Scientists hope to introduce
photosynthetic organsims to this planet. What sort of organism should they choose?
Consider the work Mendel did with his pea plants. Why is the study of human genetics
much more difficult?
What would happen if a woman took supplemental estrogen and progesterone beyond
the 21 day of her menstrual cycle?
Explain why vigorous exercise in warm weather could be hazardous to your enzymes?
A __________ shows one path of energy and nutrient flow among organisms.
rough ER